Cagiva Mito with ex500 engine... - Ex-500.com - The home of the Kawasaki EX500 / Ninja 500R
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post #1 of 18 (permalink) Old 9-22-2019, 3:45 AM Thread Starter
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Talking Cagiva Mito with ex500 engine...

Hi guy what new,I made good progress on my track bike project, I will give you some pictures

With this implantation I have a mass distribution of 56% at the front and 44% at the rear without driver.


But I
struggle to find a place for the radiator with the actual exhaust. The max height is 150/160mm (eyelet to exhaust) and 250/260mm width max.

The future, I have to find a accelerator and some coils, make the electric wiring and cooling system...

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Attached Images
File Type: jpg Cagiva Mito 500 05.JPG (93.3 KB, 53 views)
File Type: jpg Cagiva Mito 500 03.JPG (93.7 KB, 37 views)
File Type: jpg Cagiva Mito 500 02.JPG (95.1 KB, 37 views)
File Type: jpg Cagiva Mito 500 01.JPG (102.1 KB, 36 views)
File Type: jpg Cagiva Mito 500 04.JPG (55.6 KB, 35 views)

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Last edited by lory; 9-23-2019 at 1:09 PM.
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post #2 of 18 (permalink) Old 9-22-2019, 8:05 AM
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I'm glad your making progress and that YOU are happy with it.

And that's all I'm going to say!
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post #3 of 18 (permalink) Old 9-22-2019, 2:53 PM
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Ooooh, I gotta come back to this one when I have more time. It's really cool.
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post #4 of 18 (permalink) Old 9-22-2019, 4:39 PM
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A flyweight, worthy frame for your project. Do you have possession of and intend using the original "slab side" body panels?

“Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba....” quote Hunter S Thompson

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post #5 of 18 (permalink) Old 9-23-2019, 3:38 AM
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Awesome project! What does it weigh?
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post #6 of 18 (permalink) Old 9-23-2019, 4:40 AM
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Nice. I wanted a Mito so bad when I was 16.


It was (at that time) the fastest bike a 16 year old could legally ride on the road in Ireland.


125cc and a top speed in excess of 110mph.


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post #7 of 18 (permalink) Old 9-23-2019, 1:25 PM Thread Starter
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Quote:
Originally Posted by DannoXYZ View Post
Awesome project! What does it weigh?
The weight 133kg (292.6lbs) without exhaust, 56% on front and 44% on rear.

With the driver (me ) total 207kg (455,4 lbs) 47% on front and 53% on rear.

A good power to weight ratio in perspective.


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post #8 of 18 (permalink) Old 9-23-2019, 1:35 PM Thread Starter
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Quote:
Originally Posted by ducatiman View Post
A flyweight, worthy frame for your project. Do you have possession of and intend using the original "slab side" body panels?

Yes, image response
But I have some modification to adapt the slab side, I have just stalled one.



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Attached Images
File Type: jpg cagiva mito 500 gpz.jpg (286.0 KB, 25 views)
File Type: jpg cagiva mito 500 gpz 2.jpg (378.7 KB, 17 views)
File Type: jpg Cagiva Mito 500 18.JPG (105.8 KB, 19 views)

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Last edited by lory; 9-23-2019 at 1:54 PM.
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post #9 of 18 (permalink) Old 9-23-2019, 3:03 PM
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Quote:
Originally Posted by lory View Post
The weight 133kg (292.6lbs) without exhaust, 56% on front and 44% on rear.

With the driver (me ) total 207kg (455,4 lbs) 47% on front and 53% on rear.

A good power to weight ratio in perspective.


By
C'est incroyable! Bon travail!

That's about 60kg lighter than stock EX500! Can't wait to see it on track, should really handle well. And no wet-noodle frame to worry about!
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post #10 of 18 (permalink) Old 9-23-2019, 7:48 PM
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That is awesome! I have only seen RZ-350 motors mounted in the Mito frame, but have always thought the EX500 was a 4 stroke "clone" of the RZ... light weight, liquid cooled, parallel twin with similar performance (at least stock). Keep up the good work, the EX motor deserves such a frame! How is clearance for the carbs?

'90 EX-5R w/ 2nd gen forks, Fox shock, aftermarket Ninja 250 wheels, 04 GSXR tail, undertail exhaust w/ Harley mufflers.
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post #11 of 18 (permalink) Old 9-24-2019, 2:58 AM
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Hi There, Just looking at your project. Have you actually taken the tops off the forks and completely compressed the forks? It looks tight, Like the front wheel may hit the header pipes, better to find out before you ride it on the track. also do the same for the radiator fit as even when you change the front end on a standard ex you run into the same problem. I got around this on my ex by curving the radiator.
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post #12 of 18 (permalink) Old 9-25-2019, 5:39 PM
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Such a handling improvement! As to radiators, how about twin/dual dirt bike radiators?

I finally figured out why I like Ducatis: With their exhaust note and dry clutch, they sound almost like a Guzzi!
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post #13 of 18 (permalink) Old 9-26-2019, 1:45 PM Thread Starter
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Quote:
Originally Posted by kiwigpz View Post
Hi There, Just looking at your project. Have you actually taken the tops off the forks and completely compressed the forks? It looks tight, Like the front wheel may hit the header pipes, better to find out before you ride it on the track. also do the same for the radiator fit as even when you change the front end on a standard ex you run into the same problem. I got around this on my ex by curving the radiator.

Yes, a curve radiator is the solution. I will used mito's radiator and I would be obliged to modified the carenage, thing I id no want to do.

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Attached Images
File Type: jpg Cagiva Mito 500 020.JPG (50.5 KB, 10 views)
File Type: jpg Cagiva Mito 500 023.JPG (40.2 KB, 9 views)

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post #14 of 18 (permalink) Old 9-26-2019, 1:59 PM Thread Starter
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Quote:
Originally Posted by willi777 View Post
That is awesome! I have only seen RZ-350 motors mounted in the Mito frame, but have always thought the EX500 was a 4 stroke "clone" of the RZ... light weight, liquid cooled, parallel twin with similar performance (at least stock). Keep up the good work, the EX motor deserves such a frame! How is clearance for the carbs?



To day the carbs clearance is to short for the air filter but this is a track bike. I thing some many possibility is possible in future. I used silicone pipe to bring closer the carbs to the head cylinder. It's not perfect because I have some picks inside.


In the future, I can tilt up or down (photo 2 and 3) the carbs with a long silicone pipe to installed a air filter.


Maybe
Attached Images
File Type: jpg Cagiva Mito 500 022.JPG (79.3 KB, 18 views)
File Type: jpg Cagiva Mito 500 020_1.JPG (75.1 KB, 17 views)
File Type: jpg Cagiva Mito 500 021.JPG (32.7 KB, 14 views)

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post #15 of 18 (permalink) Old 9-26-2019, 2:58 PM
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How about two radiators? One on each side of the slab side? In the opening where hot air from the Mito radiators exited. You will probably need cooling fans for that. But, no wheel clearance problems.

I finally figured out why I like Ducatis: With their exhaust note and dry clutch, they sound almost like a Guzzi!
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post #16 of 18 (permalink) Old 9-26-2019, 3:41 PM Thread Starter
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Quote:
Originally Posted by po18guy View Post
How about two radiators? One on each side of the slab side? In the opening where hot air from the Mito radiators exited. You will probably need cooling fans for that. But, no wheel clearance problems.

I thing it's not a good idea with the width carenage in the bottom but the radiator on the sides why not.


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File Type: jpg 18.jpg (261.6 KB, 14 views)
File Type: jpg 92634408_o.jpg (2.32 MB, 13 views)
File Type: jpg 92634344_o.jpg (2.03 MB, 12 views)

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post #17 of 18 (permalink) Old 9-27-2019, 2:12 AM
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The VTR and RC51 Hondas had some cooling problems because of the 'flat to the side" radiators. You would need a fan for each radiator. Check out some dirt bike radiators and you may find a small one for each side.

I finally figured out why I like Ducatis: With their exhaust note and dry clutch, they sound almost like a Guzzi!
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post #18 of 18 (permalink) Old 10-9-2019, 1:54 AM
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One last thought: A rear radiator lying flat at the top of the tail section, with a fan beneath blowing upwards. Silicone hoses, or even crazier yet: the coolant flowing through the frame tubes from engine to radiator and back. That location "might" be an area of low pressure which would draw the air through it? Ideas are free. Making them work...not so much.


Just brainstorming here.

I finally figured out why I like Ducatis: With their exhaust note and dry clutch, they sound almost like a Guzzi!
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